WM8726 Wolfson Microelectronics plc, WM8726 Datasheet - Page 6

• Manufacturer Part Number: WM8726
• Description: 24-bit 192khz Stereo Dac
• Manufacturer: Wolfson Microelectronics plc

WM8726
DC ELECTRICAL CHARACTERISTICS
ELECTRICAL CHARACTERISTICS
All MIN/MAX characteristics are guaranteed over the recommended operating conditions. Typical characteristics are based on
measurements taken under the test conditions specified below.
w
PARAMETER
Supply range
Ground
Supply current
Supply current
Power down current (note 4)
Test Conditions
VDD = 5V, GND = 0V, T
PARAMETER
Digital Logic Levels (TTL Levels)
Input LOW level
Input HIGH level
Output LOW
Output HIGH
Analogue Reference Levels
Reference voltage (CAP)
Potential divider resistance
DAC Output (Load = 10k
0dBFs Full scale output voltage
DAC Performance (+25˚C )
SNR (Note 1,2,3)
SNR (Note 1,2,3)
SNR (Note 1,2,3)
SNR (Note 1,2,3)
SNR (Note 1,2,3)
SNR (Note 1,2,3)
THD (Note 3)
Dynamic Range (Note 2)
DAC channel separation
Analogue Output Levels
Output level
A
= +25
50pF)
o
C, fs = 48kHz, MCLK = 256fs unless otherwise stated.
SYMBOL
SYMBOL
VDD
GND
R
V
V
V
V
CAP
OH
OL
IH
IL
Load = 10k , 0dBFS,
VDD to CAP and CAP
Non ‘A’ weighted @ fs
Load = 10k , 0dBFS
TEST CONDITIONS
At DAC outputs
1kHz, THD+N @
@ fs = 192kHz
@ fs = 48kHz
@ fs = 48kHz
@ fs = 96kHz
TEST CONDITIONS
A-weighted,
A-weighted,
(VDD = 3.3V)
@ fs = 96kHz
A-weighted
A-weighted
A-weighted
1kHz, 0dBFs
VDD = 3.3V
VDD = 3.3V
I
I
OL
OH
-60dBFs
= 48kHz
to GND
VDD = 3.3V
VDD=3.3V
VDD = 5V
= 2mA
= 2mA
VDD - 0.3V
MIN
2.0
90
90
MIN
3.0
VDD/5
VDD/2
1.1 x
0.72
TYP
33k
-89
1.1
97
94
94
93
93
95
97
93
TYP
0.6
27
23
0
GND + 0.3V
MAX
PD Rev 4.6 May 2008
0.8
MAX
5.5
Production Data
V
V
V
UNIT
UNIT
mA
mA
mA
dB
rms
dB
dB
dB
dB
dB
dB
dB
dB
RMS
RMS
V
V
V
V
V
V
V
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